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Thermo Scientific Forma™ Environmental Chambers

By Thermo
Thermo Scientific Forma™ Environmental Chambers

Perform a variety of applications withThermo Scientific™ Forma™ environmental chambers, which can be configured for a variety of purposes and are available in multiple capacities. With a wide range of accessories and years of experience in constructing cabinets, we can construct units to match your most stringent applications.

Broad Range of Features and Controls:

  • Wide temperature range of 0° to 60°C that enhances the flexibility of the unit
  • Relative humidity control via steam generator from above ambient to 95% at 37°C (not available w/Cat. No. 50-3920)
  • Sophisticated digital controls
  • Programmable ramp and soak cycles for temperature and RH
  • Durable cabinets with true laminar airflow through side plenums for extremely tight uniformity
  • Phenolic-coated evaporator for use in applications that create corrosive byproducts
  • Manual control of defrost and refrigeration cycles
  • Visible/audible safety alarms alert to over- and undertemperature conditions, deviation of humidity from set parameters (except Model 3920)

Durable Construction:

  • Cold-rolled steel, powder-coated cabinet
  • 2 in. (5.1cm) thick, CFC-free, foamed-in-place polyurethane insulation
  • Stainless-steel interior with solid stainless-steel adjustable shelves
  • Directed horizontal airflow system for excellent uniformity
  • Locking swivel casters for easy mobility during installation and cleaning
  • Leveling feet for stability and added safety in the lab

Broad Range of Options:

  • Interior lighting for Models 3920, 3940, and 3949 (optional)
  • Reinforced shelving and flooring for heavy loads
  • Heatless dryer for lower humidity levels
  • Access ports for probes, sensors
  • Interior convenience receptacles
  • CO2 (IR sensor)
  • 6 in. and 12 in. temperature chart recorder
  • Other custom options available

50-3920 50-3940 50-3911
Physical Properties 29 cu. ft. Reach-In Refrigerated Incubator Environmental Chamber with heating/cooling 29 cu. ft. Stability Chamber with heating/cooling/humidity control 11 cu. ft. Stability Chamber with heating/cooling/humidity control
Temperature Temp. Range 0°C to 60°C (32°F to 140°F)
Controller, Sensor Watlow Microprocessor - PID, with RTD sensor
Display Digital dual LED, 0.1°C steps readability & setability
Programmability Single setpoint, ramp & soak (to 40 steps)
Temp. Uniformity ≤±0.3°C (@20 to 37°C)
Temp. Stability ≤±0.1°C (@20 to 37°C)
Temp. Safety Adjustable over- and under-temperature thermostat with analog reference dial, audible/visual alarm
Compressor 1/4 HP, air-cooled
Refrigerant Non-CFC, R134A refrigerant
Humidity Water consumption/specification N/A Max. 14L per day / 3.7 gal per day; demineralized water, resistance: 0.5 - 1 MΩ cm
Input water pressure N/A Gravity to 40 psi (2.76 bar)
Relative humidity range N/A Above ambient to 95% @ 37°C (98.6°F) ±5.0% RH
Controller, sensor N/A Watlow Microprocessor - PID, with capacitive sensor - thin film polymer
Display N/A Digital dual LED, 1% RH steps readability & setability
Programmability N/A Single setpoint, ramp & soak (to 40 steps)
Humidity safety N/A Audible / visual alarm in case of deviation from setpoint
Water connection N/A Fill port: 1/8" female NPT, drain port: 3/8" FPT & 3/8" O.D. P-trap right rear, intial fill approx. 1L/1qt.
Electrical Voltage 120V, 60Hz, 16.0 Amps 3 Wire (including ground) 208-220V, 60 Hz, 15.0 Amps 4 Wire (including ground) single phase
Plug NEMA 5-20P NEMA 14-20P
Power switch 2-Pole
Data output 4-20 milliamp, temperature 4-20 milliamp, temperature and PH
Chamber Dimensions Exterior (W x H x D) 965 x 2248 x 813mm 965 x 1308 x 813mm
Interior (W x H x D) 787 x 1524 x 686mm 787 x 609 x 686mm
Shelving Materials Solid stainless steel, reinforced
No. of shelves 6/19 6/19 3/11
Shelf size (W x D) 778 x 656mm
Shelf surface area 0.5m2 / 5.4 ft2
Load per shelf 15.9 kg / 35 lbs slide in/out; 22.7 kg / 50 lbs stationary; not to exceed 272 kg / 600 lbs total per cabinet

             
Cat.No. Name Model Voltage EA   Certified
50-3920 Forma™ Reach-In Refrigerated Incubator Chamber, 29 cu. ft. 3920 120V $15428.00
1/EA
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50-3911 Forma™ Stability Chamber, 11 cu. ft. 3911 208-220V $18368.00
1/EA
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50-3913 Forma™ Stability Chamber, 11 cu. ft. 3913 220-240V $18368.00
1/EA
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50-3940 Forma™ Stability Chamber, 29 cu. ft. 3940 208-220V $19923.00
1/EA
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50-3949 Forma™ Stability Chamber, 29 cu ft. 3949 220-240V $19923.00
1/EA
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We are currently working diligently to update our website pricing information for the New Year. If you place an order, you will be acknowledged with any corrected pricing. If you'd like the most current information sooner, please don't hesitate to drop us an email or give us a call and we'd be happy to assist. Thank you for your patience while we are updating.

800-334-7725
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